#584A9A
Closest named color: Twilight (#4E518B). oklch(46.4% 0.126 288.6), rgb(88, 74, 154).
Aa
White text reads best on this color (7.33:1).
About this color
#584A9A is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.126 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.036 away. White text reads best on it, at 7.33:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.126) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.86:1 |
| White text | 7.33:1 |
Values
| HEX | #584A9A |
| RGB | rgb(88, 74, 154) |
| HSL | hsl(251, 35%, 45%) |
| OKLCH | oklch(46.4% 0.126 288.6) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #584A9A | 7.33:1 | AAA | Lc -90.2 | Preferred for body text |
| Black text on #584A9A | 2.86:1 | Fails | Lc 18.7 | Dividers and decoration only |
| #584A9A text on white | 7.33:1 | AAA | Lc 85.3 | Fine for body text |
| #584A9A text on black | 2.86:1 | Fails | Lc -16.7 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.
-
Step 50
50
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E9E8F5
oklch(93.6% 0.017 289.6)
-
Step 200
200
#D8D6EF
oklch(88.5% 0.034 289.4)
-
Step 300
300
#BEBBE6
oklch(80.9% 0.06 288.2)
-
Step 400
400
#9E97DA
oklch(70.8% 0.097 288.4)
-
Step 500
500
#877CD0
oklch(63.2% 0.124 288.3)
-
Step 600
600
#7263BD
oklch(55.6% 0.136 288.8)
-
Step 700
700 (this color)
#584A9A
oklch(46.4% 0.126 288.6)
-
Step 800
800
#4E4384
oklch(42.7% 0.105 288.9)
-
Step 900
900
#40396A
oklch(37.6% 0.082 288.4)
-
Step 950
950
#26223E
oklch(27.1% 0.051 289.1)
#584A9A with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #27589D | 0.067 |
| Deuteranopia (no green cones) | #285498 | 0.064 |
| Tritanopia (no blue cones) | #455B6B | 0.105 |
| Achromatopsia (no color) | #565656 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #584A9A
#584A9A
oklch(46.4% 0.126 288.6)
- #5E5D00
#5E5D00
oklch(46.4% 0.101 109)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #584A9A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.036
- Blueberry #464196 ΔE 0.040
- Dark Slate Blue #483D8B ΔE 0.050
- Dusk #4E5481 ΔE 0.055
- Rebecca Purple #663399 ΔE 0.056
- Denim Blue #3B5B92 ΔE 0.061
- Dusky Blue #475F94 ΔE 0.062
- Dusk Blue #26538D ΔE 0.071
Use #584A9A in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.